Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Clearlake Oaks, California, notes the coldest temperatures in December, with a high average of 52.7°F (11.5°C) and a low of 38.1°F (3.4°C).Humidity
In Clearlake Oaks, the average relative humidity in December is 72%.Rainfall
In Clearlake Oaks, during December, the rain falls for 11.2 days and regularly aggregates up to 3.11" (79mm) of precipitation. In Clearlake Oaks, during the entire year, the rain falls for 79.8 days and collects up to 17.44" (443mm) of precipitation.Snowfall
January through March, November and December are months with snowfall in Clearlake Oaks. In December, it is snowing for 0.2 days. Throughout December, 0.08" (2mm) of snow is accumulated. In Clearlake Oaks, during the entire year, snow falls for 1.8 days and aggregates up to 0.98" (25mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:11 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:58 pm PST.
Sunshine
December has the least sunshine of the year in Clearlake Oaks, with an average of 5.3h of sunshine.UV index
November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 2 in December leads to these guidelines:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What is the coldest month in Clearlake Oaks?
What is the average December temperature in Clearlake Oaks?
What is the average humidity in December in Clearlake Oaks?
How much does it rain in Clearlake Oaks in December?
How many days does it snow in December in Clearlake Oaks?
What is the month with the shortest days in Clearlake Oaks?
How many hours of daylight does Clearlake Oaks have in December?
When is the sunrise / sunset in December in Clearlake Oaks?
What is the month with the least sunshine in Clearlake Oaks?
How many hours of sunshine does Clearlake Oaks have in December?
When is the lowest UV index in Clearlake Oaks?
What is the UV index reading in December in Clearlake Oaks?
Average temperature in December
Clearlake Oaks, CA
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in December: 38.1°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is December (38.1°F).
Average pressure in December
Clearlake Oaks, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in December
Clearlake Oaks, CA
- Average wind speed in December: 4.7mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.3mph).
Average humidity in December
Clearlake Oaks, CA
- Average humidity in December: 72%
The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (44%).
Average rainfall in December
Clearlake Oaks, CA
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is February (3.7").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Clearlake Oaks, CA
- Average rainfall days in December: 11.2 days
The month with the highest number of rainy days is March (13.9 days).
The months with the least rainy days are July and August (1.1 days).
Average snowfall in December
Clearlake Oaks, CA
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Clearlake Oaks, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Clearlake Oaks, CA
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Clearlake Oaks, CA
- Average sunshine days in December: 19 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.8 days).
Average UV index in December
Clearlake Oaks, CA
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are November and December (UV index 2).
Average cloud cover in December
Clearlake Oaks, CA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Clearlake Oaks, CA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Clearlake Oaks, California, USA
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